Bicentennial

a.	1.	Consisting of two hundred years.
	2.	Occurring every two hundred years.
n.	1.	The two hundredth year or anniversary, or its celebration.

Noun	1.	bicentennial - the 200th anniversary (or the celebration of it) Synonyms: bicentenary
Adj.	1.	bicentennial - of or relating to or completing a period of 200 years; "bicentennial celebration" Synonyms: bicentenary

C, anniversary, annual holiday, bicentenary, biennial, birthday, bissextile day, cental, centare, centenarian, centenary, centennial, centennium, centigram, centimeter, centipede, centistere, centred, centref, centrev, centumvir, centumvirate, centurion, century, commemoration, cwt, decennial, diamond jubilee, golden wedding anniversary, gross, hecatomb, holy days, hundred, hundredweight, immovable feast, jubilee, leap year, long hundred, name day, natal day, octennial, one C, quadrennial, quasquicentennial, quincentenary, quincentennial, quinquennial, septennial, sesquicentenary, sesquicentennial, sextennial, silver wedding anniversary, tercentenary, tercentennial, tricennial, triennial, wedding anniversary